What is the use of combiners in the hadoop framework?


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More Apache Hadoop Interview Questions

What are the functions of NameNode?

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What is the port number for NameNode

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Rack awareness of Namenode?

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What is MapFile?

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How do you define "block" in HDFS?

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Why password is needed in ssh localhost?

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What is a task instance in hadoop? Where does it run?

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What are the site-specific configuration files in Hadoop?

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Where is the Mapper Output stored?

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how is a file of the size 1 GB uncompressed

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What is a spill factor with respect to the ram?

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What is structured data?

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